1. What is The most difficult language In theworld? / Akira Imanishi

2. How do you think?

3. Mother tongue Second language

4. Italian español

5. Italian 中文

6. the British Foreign Office Linguistic consortium in Paris 1. Basque 2. Hungarian 3. Chinese 4. Polish 5. Japanese 6. Russian 7. German 8. Korean 9. English 10. Swahili 1. Slovak 2. Hungarian 3. Finnish 4. Arabic 5. Persian 6. Korean 7. Japanese 8. Chinese 9. French 10. German

8. The number of the case

9. Grammatical style

10. Pronunciation

11. Individual aptitude

12. Environment

14. Thank you for listening ;)

15. References List *Economist. Tongue twisters. Retrieved March 7, 2011, from http://www.economist.com/node/15108609?story_id=15108609 *Wisegeek. Which are the most difficult languages to learn? . Retrieved March 7, 2011, from http://www.wisegeek.com/which-are-the-most-difficult-languages-to-learn.htm *Antimoon.com. The easiest and the most difficult languages. Retrieved March 7, 2011, from http://www.antimoon.com/forum/t15083.htm *UsingEnglish.com. Which is the most difficult language? Retrieved March 7, 2011, from http://www.usingenglish.com/articles/which-most-difficult-language.html *Answerbag. What is the most difficult language in the world? Retrieved March 7, 2011, from http://www.answerbag.com/q_view/53176 *Ling403. Franz Boas's Introduction to the Handbook of American Indian Languages. Retrieved March 7, 2011, from http://www.ruf.rice.edu/~kemmer/Found/boasessay.html *Matadornetwork. 9 of the Hardest Languages for English Speakers to Learn. Retrieved March 7, 2011, from http://matadornetwork.com/abroad/9-of-the-hardest-languages-for-english-speakers-to-learn/